Home / 373,386,164.35-515,259,402.12-206,118,834.19

Finding the Fourth Proportional to 373,386,164.35, 515,259,402.12 and 206,118,834.19

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Solution

The fourth proportional to 373,386,164.35, 515,259,402.12 and 206,118,834.19 is: 284,436,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,386,164.35 : 515,259,402.12 = 206,118,834.19 : x
  2. Step 2: Convert to fraction form
    373,386,164.35/515,259,402.12 = 206,118,834.19/x
  3. Step 3: Cross multiply
    373,386,164.35x = 515,259,402.12 × 206,118,834.19
  4. Step 4: Simplify right side
    373,386,164.35x = 106,204,667,270,410,816
  5. Step 5: Solve for x
    x = 106,204,667,270,410,816/373,386,164.35
  6. Step 6: Final answer
    x = 284,436,536.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.